直棱柱 by James Fields

直棱柱 by James Fields
几何画板及绘图内容加载中,请稍等……
2017-02-23 13:56
①本范例演示直棱柱的几何构造与性质;②涉及核心数学概念包括多边形、立体几何、角度计算;③构造过程中运用了点、交点、多边形、棱柱、角度、路径交点等 GeoGebra 命令与对象;④适合高中立体几何教学与学习,可用于理解棱柱的体积、表面积及空间性质。

GeoGebra 命令及参数

  1. Point(yAxis) → A
  2. Intersect(xAxis, yAxis) → B
  3. Point(xAxis) → C
  4. Polygon(A, B, C, D) → poly1, a, b, c, d
  5. Prism(poly1, h) → f, I, edgeAI, edgeBJ, edgeCK, edgeDL, edgeIJ, edgeJK, edgeKL, edgeIL, J, K, L, faceABJI, faceBCKJ, faceCDLK, faceADLI, faceIJKL
  6. Angle(A, B, J) → α
  7. IntersectPath(l, f) → poly2, poly4, Q, R, S, T, n, p, q, r
  8. IntersectPath(l, faceCDLK) → s
  9. Intersect(l, faceCDLK) → U, V
  10. IntersectPath(e, f) → poly3, W, Z, A_1, B_1, m, f_1, g_1, h_1